1. Fuzzy spatial relationships from mathematical morphology for model-based pattern recognition and spatial reasoning;Bloch,2003
2. The modelling of spatial relations;Freeman;Computer Graphics and Image Processing,1975
3. Modeling spatial knowledge;Kuipers;Cognitive Science,1978
4. Navigation and mapping in large-scale space;Kuipers;AI Magazine,1988
5. Fuzzy Sets and Systems: Theory and Applications;Dubois,1980